Features: 1.[Applicable to] This sound insulation foam is very suitable for hood, ceiling, door, cockpit floor, tailgate, firewall and U-wall, front fender, front and rear wheels. 2.[Noise blocking] This heat insulation foam will improve your driving experience by reducing engine noise, tire whine, road noise, and wind noise, and will significantly improve the overall refinement and sound quality of your car. It has the property of high noise reduction and heat insulation. It is a good substitute for old cars and also a necessary accessory for your car. 3.[Dual effect] In addition to improving the acoustic effect of the vehicle, this high-performance thermal insulation foam will ensure that your vehicle will remain cool in summer and warm in winter, making your ride more comfortable. Scratch resistant. 4.[Waterproof and moisture-proof] The automobile insulating pad is made of high-quality materials, with adhesive on the surface. This insulating foam is easy to cut, peel and apply, and is waterproof and flame retardant. Scratch resistant. The surface high fiber cloth is glass fiber. Heat protection. Block the heat transfer from sunlight, engine and exhaust pipe to the cab, reduce energy consumption of air conditioning and save fuel. 5.[Enhanced protection] 1. Slow down the speed of life pipes and circuits. It is hot in summer. It can help heat the front cover of the car, extend the service life of pipes and circuits, and will not accelerate cracking. 2. Slow down the aging of car paint. The direct sunlight in front of the shell and the high temperature inside and outside the engine will accelerate the paint aging. It can prevent the paint from aging. Parameter: Material: rubber Grade: A Bending strength: strong Compressive strength: strong Form: fibrous Size: 200x50cm Thickness: 3mm/6mm Be careful 1. This product has a strong adhesive, which can be directly pasted at room temperature above 0 without additional heating. The higher the outdoor temperature of the paste, the stronger the paste, the more difficult it is to remove the solid structure! 2. The noise experts suggest that you should not forget the vibration of the door while making noise insulation. Before pasting, you can paste the sound of cotton first, and then paste a few vibration plates. The effect is very good. Generally, it takes about 10 meters for the whole sedan. 3. Special attention: If the car owner is like the engine noise, you want to completely reduce the engine noise, using the sound insulation cotton on the engine hood alone is not as simple as the engine noise cotton. It is recommended to use the aluminum foil sound insulation cotton+aluminum plate butyl rubber damping plate (about 18-25) for the noise effect of the engine hood and U-shaped slot. The engine noise is a very complex sound engineering system, and you need to make mudguards, firewalls Instrument panel U-shaped slot sound insulation project! 4. Please don't make mistakes. It takes a long time to burn and use the gas stove to burn, because the cotton with the label will not ignite other cars, which can not meet the fire conditions. Once the fire conditions are met, except for the metal parts inside the car, which can ignite anything, it is recommended that the owner do not install electronic equipment without permission and use the car correctly. Package include:Soundproof cotton * 1